Win32_USBHub class
The Win32_USBHub WMI class represents the management characteristics of a universal serial bus (USB) hub.
The following syntax is simplified from Managed Object Format (MOF) code and includes all of the inherited properties. Properties are listed in alphabetic order, not MOF order.
Syntax
class Win32_USBHub : CIM_USBHub
{
uint16 Availability;
string Caption;
uint8 ClassCode;
uint32 ConfigManagerErrorCode;
boolean ConfigManagerUserConfig;
string CreationClassName;
uint8 CurrentAlternateSettings;
uint8 CurrentConfigValue;
string Description;
string DeviceID;
boolean ErrorCleared;
string ErrorDescription;
boolean GangSwitched;
datetime InstallDate;
uint32 LastErrorCode;
string Name;
uint8 NumberOfConfigs;
uint8 NumberOfPorts;
string PNPDeviceID;
uint16 PowerManagementCapabilities[];
boolean PowerManagementSupported;
uint8 ProtocolCode;
string Status;
uint16 StatusInfo;
uint8 SubclassCode;
string SystemCreationClassName;
string SystemName;
uint16 USBVersion;
};
Members
The Win32_USBHub class has these types of members:
Properties
The Win32_USBHub class has these properties.
- Availability
-
- Data type: uint16
- Access type: Read-only
Availability and status of the device. Power Save - Unknown indicates that the device is known to be in a power save mode, but its exact status is unknown; Power Save - Low Power Mode indicates that the device is in a power save state, but still functioning, and may exhibit degraded performance; Power Save - Standby indicates that the device is not functioning, but can be brought to full power quickly; and Power Save - Warning indicates that the device is in a warning state, though also in a power save mode. This property is inherited from CIM_LogicalDevice.
- Caption
-
- Data type: string
- Access type: Read-only
- Qualifiers: MaxLen (64)
Short description of the CIM_Setting object. This property is inherited from CIM_Setting.
- ClassCode
-
- Data type: uint8
- Access type: Read-only
USB class code. This property is inherited from CIM_USBHub.
- ConfigManagerErrorCode
-
- Data type: uint32
- Access type: Read-only
Win32 Configuration Manager error code.
Value Meaning - 0 (0x0)
Device is working properly.
- 1 (0x1)
Device is not configured correctly.
- 2 (0x2)
Windows cannot load the driver for this device.
- 3 (0x3)
Driver for this device might be corrupted, or the system may be low on memory or other resources.
- 4 (0x4)
Device is not working properly. One of its drivers or the registry might be corrupted.
- 5 (0x5)
Driver for the device requires a resource that Windows cannot manage.
- 6 (0x6)
Boot configuration for the device conflicts with other devices.
- 7 (0x7)
Cannot filter.
- 8 (0x8)
Driver loader for the device is missing.
- 9 (0x9)
Device is not working properly. The controlling firmware is incorrectly reporting the resources for the device.
- 10 (0xA)
Device cannot start.
- 11 (0xB)
Device failed.
- 12 (0xC)
Device cannot find enough free resources to use.
- 13 (0xD)
Windows cannot verify the device resources.
- 14 (0xE)
Device cannot work properly until the computer is restarted.
- 15 (0xF)
Device is not working properly due to a possible re-enumeration problem.
- 16 (0x10)
Windows cannot identify all of the resources that the device uses.
- 17 (0x11)
Device is requesting an unknown resource type.
- 18 (0x12)
Device drivers must be reinstalled.
- 19 (0x13)
Failure using the VxD loader.
- 20 (0x14)
Registry might be corrupted.
- 21 (0x15)
System failure. If changing the device driver is ineffective, see the hardware documentation. Windows is removing the device.
- 22 (0x16)
Device is disabled.
- 23 (0x17)
System failure. If changing the device driver is ineffective, see the hardware documentation.
- 24 (0x18)
Device is not present, not working properly, or does not have all of its drivers installed.
- 25 (0x19)
Windows is still setting up the device.
- 26 (0x1A)
Windows is still setting up the device.
- 27 (0x1B)
Device does not have valid log configuration.
- 28 (0x1C)
Device drivers are not installed.
- 29 (0x1D)
Device is disabled. The device firmware did not provide the required resources.
- 30 (0x1E)
Device is using an IRQ resource that another device is using.
- 31 (0x1F)
Device is not working properly. Windows cannot load the required device drivers.
- ConfigManagerUserConfig
-
- Data type: boolean
- Access type: Read-only
If TRUE, the device is using a user-defined configuration. This property is inherited from CIM_LogicalDevice.
- CreationClassName
-
- Data type: string
- Access type: Read-only
Name of the first concrete class to appear in the inheritance chain used in the creation of an instance. When used with the other key properties of the class, this property allows all instances of this class and its subclasses to be uniquely identified. This property is inherited from CIM_LogicalDevice.
- CurrentAlternateSettings
-
- Data type: uint8
- Access type: Read-only
Array of USB alternate settings for each interface in the currently selected configuration (indicated by the CurrentConfigValue property). This array has one entry for each interface in the configuration. If the property, CurrentConfigValue is 0 (zero), (which indicates that the device is not configured), the array is undefined. To understand how to parse this octet string, refer to the USB specification. This property is inherited from CIM_LogicalDevice.
- CurrentConfigValue
-
- Data type: uint8
- Access type: Read-only
Configuration currently configured for this device. If this value is 0 (zero), the device is not configured. This property is inherited from CIM_USBDevice.
- Description
-
- Data type: string
- Access type: Read-only
Textual description of the object. This property is inherited from CIM_ManagedSystemElement.
- DeviceID
-
- Data type: string
- Access type: Read-only
- Qualifiers: Key
Address or other identifying information to name the logical device uniquely. This property is inherited from CIM_LogicalDevice.
- ErrorCleared
-
- Data type: boolean
- Access type: Read-only
Indicates that the error reported in the LastErrorCode property is now cleared. This property is inherited from CIM_LogicalDevice.
- ErrorDescription
-
- Data type: string
- Access type: Read-only
Free-form string that supplies more information about the error recorded in LastErrorCode property and information about any corrective actions that may be taken. This property is inherited from CIM_LogicalDevice.
- GangSwitched
-
- Data type: boolean
- Access type: Read-only
If TRUE, power is switched to all ports on the HUB at one time. If FALSE, power is switched individually for each port. This property is inherited from CIM_USBHub.
- InstallDate
-
- Data type: datetime
- Access type: Read-only
Date and time the object was installed. This property does not require a value to indicate that the object is installed. This property is inherited from CIM_ManagedSystemElement.
- LastErrorCode
-
- Data type: uint32
- Access type: Read-only
Last error code reported by the logical device. This property is inherited from CIM_LogicalDevice.
- Name
-
- Data type: string
- Access type: Read-only
Name of the USB hub. This property is inherited from CIM_ManagedSystemElement.
- NumberOfConfigs
-
- Data type: uint8
- Access type: Read-only
Number of defined device configurations. This property is inherited from CIM_USBDevice.
- NumberOfPorts
-
- Data type: uint8
- Access type: Read-only
Number of downstream ports on the hub, including those embedded in the hub's silicon. This property is inherited from CIM_USBHub.
- PNPDeviceID
-
- Data type: string
- Access type: Read-only
Windows Plug and Play device identifier of the logical device. Example: *PNP030b. This property is inherited from CIM_LogicalDevice.
- PowerManagementCapabilities
-
- Data type: uint16 array
- Access type: Read-only
Specific power-related capabilities of the logical device. This property is inherited from CIM_USBHub.
Value Meaning - 0
Unknown
- 1
Not Supported
- 2
Disabled
- 3
Enabled
- 4
Power Saving Modes Entered Automatically
- 5
Power State Settable
- 6
Power Cycling Supported
- 7
Timed Power-On Supported
- PowerManagementSupported
-
- Data type: boolean
- Access type: Read-only
If TRUE, the device can be power managed; that is, put into a power save state. This Boolean value does not indicate that power management features are currently enabled or, if enabled, what features are supported. For more information, see the PowerManagementCapabilities array for this information. If FALSE, the integer value 1 (one), for the string "Not Supported", should be the only entry in the PowerManagementCapabilities array. This property is inherited from CIM_LogicalDevice.
- ProtocolCode
-
- Data type: uint8
- Access type: Read-only
USB protocol code. This property is inherited from CIM_USBDevice.
- Status
-
- Data type: string
- Access type: Read-only
- Qualifiers: MaxLen (10)
Current status of the object. Various operational and nonoperational statuses can be defined. Operational statuses include: "OK", "Degraded", and "Pred Fail" (an element, such as a SMART-enabled hard disk drive, may be functioning properly but predicting a failure in the near future). Nonoperational statuses include: "Error", "Starting", "Stopping", and "Service". The latter, "Service", can apply during mirror-resilvering of a disk, reload of a user permissions list, or other administrative work. Not all such work is online, yet the managed element is neither "OK" nor in one of the other states. This property is inherited from CIM_ManagedSystemElement.
The values are:
- "OK"
- "Error"
- "Degraded"
- "Unknown"
- "Pred Fail"
- "Starting"
- "Stopping"
- "Service"
- "Stressed"
- "NonRecover"
- "No Contact"
- "Lost Comm"
- StatusInfo
-
- Data type: uint16
- Access type: Read-only
State of the logical device. If this property does not apply to the logical device, the value 5 (Not Applicable) should be used. This property is inherited from CIM_LogicalDevice.
Value Meaning - 1
Other
- 2
Unknown
- 3
Enabled
- 4
Disabled
- 5
Not Applicable
- SubclassCode
-
- Data type: uint8
- Access type: Read-only
USB subclass code. This property is inherited from CIM_USBDevice.
- SystemCreationClassName
-
- Data type: string
- Access type: Read-only
- Qualifiers: Key
Creation class name for the scoping system. This property is inherited from CIM_LogicalDevice.
- SystemName
-
- Data type: string
- Access type: Read-only
- Qualifiers: Key
Name of the scoping system. This property is inherited from CIM_LogicalDevice.
- USBVersion
-
- Data type: uint16
- Access type: Read-only
Latest USB version supported by the USB device. The property is expressed as a binary-coded decimal (BCD), where a decimal point is implied between the second and third digits. For example, a value of 0x201 indicates that version 2.01 is supported. This property is inherited from CIM_USBDevice.
Examples
For script code examples, see WMI Tasks for Scripts and Applications and the TechNet ScriptCenter Script Repository.
For C++ code examples, see WMI C++ Application Examples.
Requirements
|
Minimum supported client | Windows XP [desktop apps only] |
|---|---|
|
Minimum supported server | Windows Server 2003 [desktop apps only] |
|
Namespace |
\root\CIMV2 |
|
MOF |
|
|
DLL |
|
See also
Send comments about this topic to Microsoft
Build date: 11/19/2012
